Date: Mon, 22 Nov 2004 11:08:37 +0100 From: Questions <questions@kuehlbox.de> To: Garance A Drosihn <drosih@rpi.edu> Cc: freebsd-questions@freebsd.org Subject: Re: Which Sata-controller card? Message-ID: <41A1BAA5.4060202@kuehlbox.de> In-Reply-To: <p06200703bdc757b79977@[128.113.24.47]> References: <52aaba2404112006235fb63988@mail.gmail.com> <419F56EB.4010302@kuehlbox.de> <52aaba24041120064424b87cce@mail.gmail.com> <52aaba2404112109373f130bd8@mail.gmail.com> <41A1A461.5020409@kuehlbox.de> <p06200703bdc757b79977@[128.113.24.47]>
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Garance A Drosihn wrote: > At 9:33 AM +0100 11/22/04, Stephan Fiebrandt wrote: > >> >> If you just need to expand your Mainboard with a SATA Controller, >> all you need is a poor card with a Silicon chip on it (Sil 3112 etc). >> I've seen cards starting at 10$. Almost all low-cost cards have this >> chip series, meanwhile on 5.3 it should work now without any problems. >> The WRITE_DMA issues should be solved and commited to 5.3. > > > Unless something happened in the past week or so, you can still have > WRITE_DMA problems with the SiL 3112 if you connect a "fake SATA" > drive to it, such as some of the Western Digital drives. These are > really ATA drives with a little conversion-chip on them to implement > SATA. These drives seem to work okay on more expensive SATA > controllers, but I had a *lot* of headaches with one connected to a > SiL-3112 controller. I suspect that the same people who are willing > to live with a $10 disk controller are also going to be tempted to > buy the less-expensive "fake-SATA" hard drives... > >> Have also a look at the 5.3 hardware list: >> http://www.freebsd.org/releases/5.3R/hardware-i386.html#DISK. > > I've had in my test a Sil Image running on RELENG_5 cvs from last week with a Maxtor 160 SATA (sorry, don't have the model no handy atm) and it worked fine without any WRITE_DMA issues, cuz i was curious after a longer thread in freebsd-current mailinglist about WRITE_DMA problems. I also have to point out, that 5.3-R and RELENG_5 cvs are different :) maybe something got commit into it last week, to be honest, i did not follow up the changes (shame, yes i know..). Maybe my SATA disk is just not a "fake-SATA". I agree that these "fake-SATA" and cheap Sil 3112 controller might not work proper together. But this looks like an hardware incompatibility issues than a driver malfunction. At my main mashine, i have an onboard Intel 6300ESB Controller, and had no WRITE_DMA's with any SATA disks yet. Greetings, Stephan Fiebrandt
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